83a6a6ea32
* chore: make aware eslint that we use jest By setting up the jest environment, we no longer need to declare the 'test' global in the configuration. * chore: don't need to import expect, it's a jest environment global * chore: don't need to import expect when creating undefined test
15 lines
657 B
JavaScript
15 lines
657 B
JavaScript
const {geometricProgression} = require('./_30s.js');
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test('geometricProgression is a Function', () => {
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expect(geometricProgression).toBeInstanceOf(Function);
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});
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test('Initializes an array containing the numbers in the specified range', () => {
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expect(geometricProgression(256)).toEqual([1, 2, 4, 8, 16, 32, 64, 128, 256]);
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});
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test('Initializes an array containing the numbers in the specified range', () => {
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expect(geometricProgression(256, 3)).toEqual([3, 6, 12, 24, 48, 96, 192]);
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});
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test('Initializes an array containing the numbers in the specified range', () => {
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expect(geometricProgression(256, 1, 4)).toEqual([1, 4, 16, 64, 256]);
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});
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